Before we dive deep into the contracts let's have a look at the high-level architecture.
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PWN smart contract architecture
{% tabs %} {% tab title="PWN" %} PWN contract serves as the only interface between a user and the protocol. {% endtab %}
{% tab title="PWN Vault" %} PWN Vault is used for storing assets. {% endtab %}
{% tab title="PWN LOAN" %} PWN LOAN is used to store information about LOANs. LOAN is an ERC-1155 token representing a loan in the PWN protocol. {% endtab %}
{% tab title="MultiToken" %} MultiToken is a solidity library that wraps transfer, allowance and balance check calls for ERC20, ERC721 & ERC1155 tokens. Unifying the function calls used within the PWN context, so we don't have to worry about handling these token standards individually. {% endtab %} {% endtabs %}